12130506141220 has 24 divisors (see below), whose sum is σ = 25486304244408. Its totient is φ = 4849870771200.

The previous prime is 12130506141181. The next prime is 12130506141223. The reversal of 12130506141220 is 2214160503121.

It can be written as a sum of positive squares in 4 ways, for example, as 1669049316 + 12128837091904 = 40854^2 + 3482648^2 .

It is a super-2 number, since 2×12130506141220² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12130506141223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145687671 + ... + 145770910.

It is an arithmetic number, because the mean of its divisors is an integer number (1061929343517).

Almost surely, 2^{12130506141220} is an apocalyptic number.

12130506141220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12130506141220 is an abundant number, since it is smaller than the sum of its proper divisors (13355798103188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12130506141220 is a wasteful number, since it uses less digits than its factorization.

12130506141220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291460671 (or 291460669 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 12130506141220 its reverse (2214160503121), we get a palindrome (14344666644341).

The spelling of 12130506141220 in words is "twelve trillion, one hundred thirty billion, five hundred six million, one hundred forty-one thousand, two hundred twenty".